CN112388729A - Drilling equipment and working method of pcb preparation system - Google Patents
Drilling equipment and working method of pcb preparation system Download PDFInfo
- Publication number
- CN112388729A CN112388729A CN202011336422.8A CN202011336422A CN112388729A CN 112388729 A CN112388729 A CN 112388729A CN 202011336422 A CN202011336422 A CN 202011336422A CN 112388729 A CN112388729 A CN 112388729A
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- Prior art keywords
- circular arc
- drilling
- drilling platform
- strip
- pcb
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/16—Perforating by tool or tools of the drill type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/20—Cutting beds
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/0011—Working of insulating substrates or insulating layers
- H05K3/0044—Mechanical working of the substrate, e.g. drilling or punching
- H05K3/0047—Drilling of holes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F2210/00—Perforating, punching, cutting-out, stamping-out, severing by means other than cutting of specific products
- B26F2210/08—Perforating, punching, cutting-out, stamping-out, severing by means other than cutting of specific products of ceramic green sheets, printed circuit boards and the like
Abstract
The invention discloses drilling equipment of a pcb preparation system, which comprises a circular arc rack with a central angle of 120 degrees and a circular arc guide strip with a central angle of 240 degrees, wherein a circular arc inner ring of the circular arc rack is an array inner ring transmission gear body, a circular arc outer ring of the circular arc rack is an array outer ring transmission gear body, and the circular arc rack and the circular arc guide strip are integrally connected into a horizontal whole circular ring body; the device has a simple structure, can realize accurate punching of the rectangular PCB blank plate, and in the transmission analysis of the device, the axis of the drill bit of the embodiment can be superposed with the axis of any drill bit passing through the hole, so that the drill bit can search any hole position on the rectangular PCB plate.
Description
Technical Field
The invention belongs to the field of pcb circuit board preparation.
Background
The punching process of the PCB is an important process in the preparation process of the PCB, and the PCB in products such as annular LED lamps, wireless chargers and the like is annular, so a set of process system for precisely punching the annular PCB blank plate needs to be specially designed.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides drilling equipment and a working method for a rectangular pcb preparation system.
The technical scheme is as follows: in order to achieve the purpose, the drilling equipment of the pcb preparation system comprises a circular arc rack with a central angle of 120 degrees and a circular arc guide strip with a central angle of 240 degrees, wherein a circular arc inner ring of the circular arc rack is an arrayed inner ring transmission gear body, a circular arc outer ring of the circular arc rack is an arrayed outer ring transmission gear body, and the circular arc rack and the circular arc guide strip are integrally connected into a horizontal whole circular ring body;
the guide bar rotating mechanism further comprises a first guide bar restraining unit and a second guide bar restraining unit, and the arc-shaped guide bar rotates along the circle center of the arc of the guide bar under the restraint of the first guide bar restraining unit and the second guide bar restraining unit; the base is arranged under the arc-shaped guide strip, and the first guide strip restraining unit and the second guide strip restraining unit are fixed on the base through the supporting unit.
Further, the first guide strip restraining unit and the second guide strip restraining unit both comprise an inner side roller and an outer side roller, a wheel groove on the inner side roller is in rolling fit with the inner side of the arc-shaped guide strip, and a wheel groove on the outer side roller is in rolling fit with the outer side of the arc-shaped guide strip; the inner side roller and the outer side roller are rotatably connected to a roller seat, and the roller seat is fixed on the supporting unit;
the base is further provided with a central bearing hole, a vertical central shaft is rotatably arranged in the central bearing hole through a bearing, and the axis of the central shaft is coincided with the circular arc center of the circular arc rack.
Furthermore, the upper end of the central shaft is fixedly connected with a horizontal rotary rocker arm; the middle part and the tail end of the rotary rocker arm are respectively provided with a first bearing hole and a second bearing hole; the inner planet gear and the outer planet gear are respectively meshed with the inner ring transmission gear body and the outer ring transmission gear body of the circular arc rack; gear shafts of the inner planetary gear and the outer planetary gear are respectively a first gear shaft and a second gear shaft, and the first gear shaft and the second gear shaft are respectively in rotating fit with a first bearing hole and a second bearing hole in the rotary rocker arm through bearings; the planetary gear drive motor is fixed on the rotary rocker arm through a planetary gear motor support and is in driving connection with the second gear shaft; the planetary gear drive motor can drive the outer planetary gear to rotate.
Furthermore, a fan-shaped brake plate is fixedly connected to one side, away from the rotary rocker arm, of the central shaft, the fan-shaped circle center of the fan-shaped brake plate is overlapped with the axis of the central shaft, and the fan-shaped circle center angle of the fan-shaped brake plate is an angle; the base is fixedly provided with a first brake, a first brake caliper of the first brake corresponds to the arc contour edge of the fan-shaped brake plate, and the first brake caliper can clamp the contour edge of the fan-shaped brake plate to lock the fan-shaped brake plate.
The brake device further comprises a second brake fixedly installed, a second brake caliper of the second brake corresponds to the arc-shaped guide strip, and the second brake caliper of the second brake can clamp the arc-shaped guide strip, so that the arc-shaped rack cannot rotate along the circle center of the arc of the second brake;
furthermore, a horizontal drilling platform is arranged above the inner planetary gear, the outline of the drilling platform is rectangular, and the axis of the inner planetary gear passes through the geometric center of the drilling platform; a first limit strip, a second limit strip and a third limit strip are respectively and fixedly arranged on three edges of the drilling platform with a rectangular outline, a movable limit strip is also arranged on the drilling platform in a sliding way,
the first limiting strip, the second limiting strip, the third limiting strip and the movable limiting strip form a rectangle, and a rectangular enclosing area formed by the first limiting strip, the second limiting strip, the third limiting strip and the movable limiting strip is a rectangular pcb limiting groove, so that the rectangular pcb is limited in the rectangular pcb limiting groove on the drilling platform; the outside that is parallel to each other first spacing third spacing is provided with sharp expansion bend, two along length direction is fixed the both ends of the spacing of fixed connection activity respectively at the telescopic link end of sharp expansion bend, stretching out of telescopic link enables the spacing of activity keeps away from gradually the spacing of second.
Furthermore, the drilling platform is fixedly connected with the upper end of the first gear shaft through a bent support, so that the drilling platform is synchronous with the inner planetary gear below the drilling platform.
The drilling platform can pass right below the drill bit when rotating along the circular arc center of the circular arc rack along with the inner planetary gear;
a plurality of drill bit through holes are hollowed in the drilling platform; the drill bit can continuously penetrate through the corresponding drill bit penetrating hole downwards after drilling downwards through the rectangular pcb plate limited in the rectangular pcb limiting groove; a plurality of drill bits on the drilling platform pass through the holes and project upwards to hole positions on the upper rectangular pcb, namely the hole positions to be drilled on the rectangular pcb;
the drilling machine is characterized by further comprising an upright post fixed on the base, wherein a cantilever beam is fixedly connected to the upright post, a vertical lifter is fixed at the tail end of the cantilever beam, the lower end of a lifting rod at the lower end of the lifter is fixedly connected with a shell of the drilling machine, and the lifter can drive the drilling machine to lift;
setting a horizontal virtual circle, wherein the center of the virtual circle is coincident with the axis of the central shaft; the geometric centers of the drilling platforms are all on the virtual circle, and the axis of the drill bit is also perpendicularly intersected with the virtual circle; setting a rotary path of any drill bit passing through the hole along the geometric center of the drilling platform as a track circle, and setting one of two intersection points of any track circle and the virtual circle as a reference point; when the drilling platform rotates along the self geometric center and deflects around the axis of the central shaft, the reference point can displace along the path of the virtual circle, and when the drilling platform rotates only along the self geometric center and does not deflect around the axis of the central shaft, any one drill bit passes through the hole and all displaces along the path of the track circle.
Has the advantages that: the device has a simple structure, can realize accurate punching of the rectangular PCB blank plate, and in the transmission analysis of the device, the axis of the drill bit of the embodiment can be superposed with the axis of any drill bit passing through the hole, so that the drill bit can search any hole position on the rectangular PCB plate.
Drawings
FIG. 1 is a schematic view of the overall structure of the device;
FIG. 2 is a perspective view of the apparatus;
FIG. 3 is a perspective cross-sectional view of the present device;
fig. 4 is a first state top view of the device (in an initial state, both the inner planet gear and the outer planet gear are at the clockwise end of the circular arc rack);
FIG. 5 is a second state top view of the device (the inner planet gears and the outer planet gears are both in the middle of the circular arc rack);
FIG. 6 is a schematic view of FIG. 5 with the cantilever beam hidden;
FIG. 7 is a schematic view of a swing arm and components attached to the swing arm;
fig. 8 is a schematic structural view of the first guide bar confining unit/the second guide bar confining unit.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
The drilling equipment of the pcb preparation system shown in the attached fig. 1 to 8 comprises a circular arc rack 4 with a central angle of 120 degrees and a circular arc guide strip 16 with a central angle of 240 degrees, wherein a circular arc inner ring of the circular arc rack 4 is an array inner ring transmission gear body 27, a circular arc outer ring of the circular arc rack 4 is an array outer ring transmission gear body 26, and the circular arc rack 4 and the circular arc guide strip 16 are integrally connected into a horizontal whole circular ring body;
the device also comprises a first guide strip restraining unit 18 and a second guide strip restraining unit 15, wherein the arc-shaped guide strip 16 rotates along the circle center of an arc of the arc under the restraint of the first guide strip restraining unit 18 and the second guide strip restraining unit 15; a base 11 is arranged right below the arc-shaped guide strip 16, and the base 11, the first guide strip restraining unit 18 and the second guide strip restraining unit 15 are fixed on the base 11 through a supporting unit 14.
The first guide strip restraining unit 18 and the second guide strip restraining unit 15 both comprise an inner roller 28 and an outer roller 29, a wheel groove on the inner roller 28 is in rolling fit with the inner side of the arc-shaped guide strip 16, and a wheel groove on the outer roller 29 is in rolling fit with the outer side of the arc-shaped guide strip 16; the inner roller 28 and the outer roller 29 are rotatably connected to a roller seat 30, and the roller seat 30 is fixed on the supporting unit 14;
the base 11 is further provided with a central bearing hole 111, a vertical central shaft 19 is rotatably arranged in the central bearing hole 111 through a bearing, and the axis of the central shaft 19 coincides with the circular arc center of the circular arc rack 4.
The upper end of the central shaft 19 is fixedly connected with a horizontal rotary rocker arm 5; the middle part and the tail end of the rotary rocker arm 5 are respectively provided with a first bearing hole 52 and a second bearing hole 130; the inner planet gear 12 and the outer planet gear 3 are respectively meshed with an inner ring transmission gear body 27 and an outer ring transmission gear body 26 of the circular arc rack 4; the gear shafts of the inner planet gear 12 and the outer planet gear 3 are respectively a first gear shaft 026 and a second gear shaft 131, and the first gear shaft 026 and the second gear shaft 131 are respectively in running fit with a first bearing hole 52 and a second bearing hole 130 on the rotary rocker arm 5 through bearings; the planetary gear type electric vehicle further comprises a planetary gear driving motor 2, the planetary gear driving motor 2 is fixed on the rotary rocker arm 5 through a planetary gear motor support 1, and the planetary gear driving motor 2 is in driving connection with the second gear shaft 131; the planet wheel driving motor 2 can drive the outer planet gear 3 to rotate.
A fan-shaped brake plate 6 is fixedly connected to one side, far away from the rotary rocker arm 5, of the central shaft 19, the fan-shaped circle center of the fan-shaped brake plate 6 is overlapped with the axis of the central shaft 19, and the fan-shaped circle center angle of the fan-shaped brake plate 6 is 120 degrees; the base 11 is fixedly provided with a first brake 17, a first brake caliper 10 of the first brake 17 corresponds to the arc contour edge of the fan-shaped brake plate 6, and the first brake caliper 10 can clamp the contour edge of the fan-shaped brake plate 6 to lock the fan-shaped brake plate 6.
The brake caliper II of the second brake corresponds to the arc-shaped guide strip 16 and can clamp the arc-shaped guide strip 16, so that the arc-shaped rack 4 cannot rotate along the circle center of the arc;
a horizontal drilling platform 9 is arranged above the inner planetary gear 12, the outline of the drilling platform 9 is rectangular, and the axis of the inner planetary gear 12 passes through the geometric center 50 of the drilling platform 9; a first limit strip 57, a second limit strip 58 and a third limit strip 59 are respectively and fixedly arranged on three edges of the drilling platform 9 with a rectangular outline, a movable limit strip 56 is also arranged on the drilling platform 9 in a sliding way,
the first limiting strip 57, the second limiting strip 58, the third limiting strip 59 and the movable limiting strip 56 form a rectangle, and the enclosed area of the rectangle formed by the first limiting strip 57, the second limiting strip 58, the third limiting strip 59 and the movable limiting strip 56 is a rectangular pcb limiting groove 500, so that the rectangular pcb plate 25 is limited in the rectangular pcb limiting groove 500 on the drilling platform 9; the outer sides of the first limiting strips 57 and the third limiting strips 59 which are parallel to each other are fixedly provided with linear retractors 54 along the length direction, the tail ends of telescopic rods 55 of the linear retractors 54 are respectively and fixedly connected with the two ends of movable limiting strips 56, and the telescopic rods 55 extend out to enable the movable limiting strips 56 to be gradually far away from the second limiting strips 58.
The drilling platform 9 is fixedly connected to the upper end of the first gear shaft 026 by a bent bracket 24, thereby synchronizing the drilling platform 9 with the inner planetary gears 12 therebelow.
The drilling device is characterized by further comprising a drilling device 7 capable of ascending and descending up and down, wherein the lower end of the drilling device 7 is a vertical drill bit 8, and when the drilling platform 9 rotates along the circular arc center of the circular arc rack 4 along with the inner planetary gear 12, the drilling platform 9 can pass right below the drill bit 8;
a plurality of drill bit through holes 29 are hollowed in the drilling platform 9; the drill bit 8 can continuously downwards penetrate through the corresponding drill bit through hole 29 after downwards drilling through the rectangular pcb board 25 limited in the rectangular pcb limiting groove 500; a plurality of drill bits on the drilling platform 9 pass through the holes 29 and project upwards to hole positions on the upper rectangular pcb 25, namely the hole positions to be drilled on the rectangular pcb 25;
the drilling machine is characterized by further comprising an upright post 21 fixed on the base 11, wherein a cantilever beam 20 is fixedly connected to the upright post 21, a vertical lifter 011 is fixed at the tail end of the cantilever beam 20, the lower end of a lifting rod 13 at the lower end of the lifter 011 is fixedly connected with a machine shell of the drilling machine 7, and the lifter 11 can drive the drilling machine 7 to lift;
a horizontal virtual circle 35 is arranged, and the center of the virtual circle 35 is coincident with the axis of the central shaft 19; the geometric center 50 of the drilling platform 9 is on the virtual circle 35, and the axis of the drill bit 8 is also perpendicularly intersected with the virtual circle 35; setting the revolution path of any drill bit passing through the hole 29 along the geometric center 50 of the drilling platform 9 as a track circle 36, and setting one of two intersection points of any track circle 36 and the virtual circle 35 as a reference point 37; when the drilling platform 9 rotates along its own geometric center 50 and also deflects around the axis of the central shaft 19, the reference point 37 will be displaced along the path of the virtual circle 35, and when the drilling platform 9 only rotates along its own geometric center 50 and does not deflect around the axis of the central shaft 19, any one of the drill bits through the hole 29 will be displaced along the path of the trajectory circle 36.
The working method, technical principle description and technical progress of the invention are specifically as follows:
in order to more conveniently place the rectangular pcb 25 to be drilled on the rectangular pcb limit groove 500 of the drilling platform 9, the drilling platform 9 needs to be firstly kept away from the drill bit 8 right above, specifically, the inner planetary gear 12 and the outer planetary gear 3 are both positioned at the clockwise needle end of the circular arc rack 4 in an initial state (as shown in fig. 4), at this time, the drilling platform 9 is not right below the drill bit 8, at this time, the clamped rectangular pcb 25 to be drilled is placed on the rectangular pcb limit groove 500 of the drilling platform 9 by a manual or mechanical arm, then the two telescopic rods 55 are pulled back, the movable limit strip 56 is gradually close to the second limit strip 58 to clamp the rectangular pcb 25 placed in the rectangular pcb limit groove 500 of the drilling platform 9, and complete limit of the rectangular pcb 25 in the rectangular pcb limit groove 500 is realized; at this time, a plurality of drill bits on the drilling platform 9 pass through the holes 29 and project upwards to the hole positions on the rectangular pcb 25, namely the hole positions to be drilled on the rectangular pcb 25;
controlling a first brake 17 to enable a first brake caliper 10 to release the fan-shaped brake plate 6, and simultaneously controlling a second brake caliper of a second brake to clamp the arc-shaped guide strip 16 to enable the arc-shaped guide strip 16 to be in a brake locking state, wherein the arc-shaped rack 4 cannot rotate along the circle center of the self arc, so that the arc-shaped rack 4 is in a locked and fixed state;
at the moment, the planet wheel driving motor 2 is controlled, and then the planet wheel driving motor 2 drives the outer planet gear 3 to rotate; the rotation of the outer planet gear 3 can rotate along the circular arc center of the circular arc rack 4 under the meshing transmission of the outer ring transmission gear body 26 of the circular arc rack 4, so that the rotary rocker arm 5 rotates along the central shaft 19, and when the rotary rocker arm 5 rotates along the central shaft 19 to drive the inner planet gear 12 to rotate along the circular arc center of the circular arc rack 4, the inner planet gear 12 can also rotate along the axis of the inner planet gear 12 under the meshing transmission of the inner ring transmission gear body 27 of the circular arc rack 4;
because the drilling platform 9 and the lower inner planetary gear 12 are synchronous, the drilling platform 9 also rotates along the geometric center 50 of the drilling platform 9 while the drilling platform 9 starts to rotate around the axis of the gear ring 19 in the circumferential direction; thereby, the reference point 37 is displaced along the path of the virtual circle 35 until the axis of the drill bit 8 intersects with the reference point 37, which indicates that the drilling platform 9 has moved to the position right below the drill bit 8, and waits for drilling, and at this time, the inner planet gear 12 and the outer planet gear 3 are both in the middle position of the circular arc rack 4; as shown in fig. 5
At the moment, the first brake 17 is controlled to enable the first brake caliper 10 to clamp the fan-shaped brake plate 6, so that the rotary rocker arm 5 is locked; meanwhile, the second brake caliper of the second brake is controlled to release the arc-shaped guide strip 16, so that the arc-shaped guide strip 16 is in a free state, the arc-shaped rack 4 can freely rotate along the circle center of the self arc, but the inner planetary gear 12 can also rotate along the axis of the self arc;
at the moment, the planet wheel driving motor 2 is controlled to continuously operate, so that the outer planet gear 3 rotates along the axis of the outer planet gear 3, the outer planet gear 3 rotates along the axis of the outer planet gear 3 to drive the arc rack 4 to rotate along the circle center of the arc of the outer planet gear, the arc rack 4 rotates along the circle center of the arc of the outer planet gear 4 to drive the inner planet gear 12 to rotate, and the inner planet gear 12 only rotates along the axis of the inner planet gear and does not rotate around the circle center of the arc rack 4; the drilling platform 9 rotates along the geometric center 50 of the drilling platform without rotating around the center of the circular arc rack 4, so that any one drill bit of the drilling platform 9 is displaced along the path of the trajectory circle 36 through the hole 29 until the drill bit is displaced to coincide with the reference point 37 along the path of the trajectory circle 36 through the hole 29, which indicates that the axis of the drill bit passing through the hole 29 is coincident with the axis of the drill bit 8, and the method can make the axis of the drill bit 8 coincide with the axis of any one drill bit passing through the hole 29; when the axis of the drill bit 8 coincides with the axis of one of the drill bits passing through the hole 29, the drill bit 8 finds a hole site to be drilled, and according to the method, the axis of the drill bit 8 can coincide with the axis of any one of the drill bits passing through the hole 29, so that the drill bit 8 can find any one hole site on the rectangular pcb 25 placed on the drilling platform 9; after the hole position is found, the drill bit 8 is controlled to move downwards and drill downwards through the rectangular pcb board 25 placed on the drilling platform 9, and the tail end of the drill bit 8 continuously penetrates downwards through the drill bit through hole 29 which corresponds to the same axis, so that a complete through hole is formed in the rectangular pcb board 25.
The above is a preferred embodiment of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications can be made without departing from the principles of the invention and these modifications are to be considered within the scope of the invention.
Claims (8)
1. A drilling equipment of pcb preparation system which characterized in that: the device comprises a circular arc rack (4) with a central angle of 120 degrees and a circular arc guide strip (16) with a central angle of 240 degrees, wherein a circular arc inner ring of the circular arc rack (4) is an arrayed inner ring transmission gear body (27), a circular arc outer ring of the circular arc rack (4) is an arrayed outer ring transmission gear body (26), and the circular arc rack (4) and the circular arc guide strip (16) are integrally connected to form a horizontal whole circular ring body;
the guide bar rotating mechanism further comprises a first guide bar restraining unit (18) and a second guide bar restraining unit (15), and the arc-shaped guide bar (16) rotates along the circle center of the arc of the guide bar under the restraint of the first guide bar restraining unit (18) and the second guide bar restraining unit (15); a base (11) is arranged right below the arc-shaped guide strip (16), the base (11), the first guide strip restraining unit (18) and the second guide strip restraining unit (15) are fixed on the base (11) through a supporting unit (14).
2. A drilling apparatus for a pcb preparation system according to claim 1, wherein: the first guide strip restraining unit (18) and the second guide strip restraining unit (15) respectively comprise an inner side roller (28) and an outer side roller (29), a wheel groove on the inner side roller (28) is in rolling fit with the inner side of the arc-shaped guide strip (16), and a wheel groove on the outer side roller (29) is in rolling fit with the outer side of the arc-shaped guide strip (16); the inner side roller (28) and the outer side roller (29) are rotatably connected to a roller seat (30), and the roller seat (30) is fixed on the supporting unit (14);
the base (11) is further provided with a central bearing hole (111), a vertical central shaft (19) is rotatably arranged in the central bearing hole (111) through a bearing, and the axis of the central shaft (19) coincides with the circular arc circle center of the circular arc rack (4).
3. A drilling apparatus for a pcb preparation system according to claim 2, wherein: the upper end of the central shaft (19) is fixedly connected with a horizontal rotary rocker arm (5); the middle part and the tail end of the rotary rocker arm (5) are respectively provided with a first bearing hole (52) and a second bearing hole (130); the inner planet gear (12) and the outer planet gear (3) are also arranged, and the inner planet gear (12) and the outer planet gear (3) are respectively meshed with an inner ring transmission gear body (27) and an outer ring transmission gear body (26) of the circular arc rack (4); gear shafts of the inner planetary gear (12) and the outer planetary gear (3) are respectively a first gear shaft (026) and a second gear shaft (131), and the first gear shaft (026) and the second gear shaft (131) are respectively in running fit with a first bearing hole (52) and a second bearing hole (130) in the rotary rocker arm (5) through bearings; the planetary gear type electric power transmission device is characterized by further comprising a planetary gear driving motor (2), wherein the planetary gear driving motor (2) is fixed on the rotary rocker arm (5) through a planetary gear motor support (1), and the planetary gear driving motor (2) is in driving connection with the second gear shaft (131); the planet wheel driving motor (2) can drive the outer planet gear (3) to rotate.
4. A drilling apparatus for a pcb preparation system according to claim 3, wherein: a fan-shaped brake plate (6) is fixedly connected to one side, away from the rotary rocker arm (5), of the central shaft (19), the fan-shaped circle center of the fan-shaped brake plate (6) is overlapped with the axis of the central shaft (19), and the fan-shaped circle center angle of the fan-shaped brake plate (6) is 120 degrees; the brake device is characterized in that a first brake (17) is fixedly mounted on the base (11), a first brake caliper (10) of the first brake (17) corresponds to the arc contour edge of the fan-shaped brake plate (6), and the first brake caliper (10) can clamp the contour edge of the fan-shaped brake plate (6) to lock the fan-shaped brake plate (6).
5. A drilling apparatus for a pcb preparation system according to claim 3, wherein: the brake caliper II of the second brake corresponds to the arc-shaped guide strip (16), and the arc-shaped guide strip (16) can be clamped by the brake caliper II of the second brake, so that the arc-shaped rack (4) cannot rotate along the circle center of the self arc.
6. A drilling apparatus for a pcb preparation system according to claim 5, wherein: a horizontal drilling platform (9) is arranged above the inner planetary gear (12), the outline of the drilling platform (9) is rectangular, and the axis of the inner planetary gear (12) passes through the geometric center (50) of the drilling platform (9); a first limit strip (57), a second limit strip (58) and a third limit strip (59) are respectively and fixedly arranged on three sides of the drilling platform (9) with a rectangular outline, a movable limit strip (56) is also arranged on the drilling platform (9) in a sliding way,
the drilling platform is characterized in that a first limiting strip (57), a second limiting strip (58), a third limiting strip (59) and a movable limiting strip (56) form a rectangle, and a rectangular enclosing area formed by the first limiting strip (57), the second limiting strip (58), the third limiting strip (59) and the movable limiting strip (56) is a rectangular pcb limiting groove (500), so that the rectangular pcb (25) is limited in the rectangular pcb limiting groove (500) on the drilling platform (9); the outside of first spacing (57) third spacing (59) that is parallel to each other is provided with sharp expansion bend (54), two along length direction is fixed the both ends of flexible spacing (56) of telescopic link (55) end difference fixed connection of sharp expansion bend (54), stretching out of telescopic link (55) enables spacing (56) of activity is kept away from gradually spacing (58) of second.
7. A drilling apparatus for a pcb preparation system according to claim 6, wherein: the drilling platform (9) is fixedly connected with the upper end of the first gear shaft (026) through a bent bracket (24), so that the drilling platform (9) is synchronous with the inner planetary gear (12) below.
8. A drilling apparatus for a pcb preparation system according to claim 7, wherein: the drilling device is characterized by further comprising a drilling device (7) capable of ascending and descending up and down, wherein the lower end of the drilling device (7) is a vertical drill bit (8), and when the drilling platform (9) rotates along the circular arc center of the circular arc rack (4) along with the inner planetary gear (12), the drilling platform (9) can pass right below the drill bit (8);
a plurality of drill bit through holes (29) are hollowed in the drilling platform (9); the drill bit (8) drills downwards through the rectangular pcb (25) limited in the rectangular pcb limiting groove (500) and then can continuously penetrate downwards through the corresponding drill bit through hole (29); a plurality of drill bits on the drilling platform (9) pass through the holes (29) and project upwards to hole positions on the upper rectangular pcb (25), namely the hole positions to be drilled on the rectangular pcb (25);
the drilling machine is characterized by further comprising an upright post (21) fixed on the base (11), wherein a cantilever beam (20) is fixedly connected to the upright post (21), a vertical lifter (011) is fixed to the tail end of the cantilever beam (20), the lower end of a lifting rod (13) at the lower end of the lifter (011) is fixedly connected with a machine shell of the drilling machine (7), and the lifter (11) can drive the drilling machine (7) to lift;
setting a horizontal virtual circle (35), wherein the center of the virtual circle (35) is coincident with the axis of the central shaft (19); the geometric centers (50) of the drilling platforms (9) are all on the virtual circle (35), and the axes of the drill bits (8) are also perpendicularly intersected with the virtual circle (35); setting the revolution path of any one drill bit passing through the hole (29) along the geometric center (50) of the drilling platform (9) as a track circle (36), and setting one of two intersection points of the intersection of any track circle (36) and the virtual circle (35) as a reference point (37); when the drilling platform (9) rotates along the geometric center (50) of the drilling platform and deflects around the axis of the central shaft (19), the reference point (37) can be displaced along the path of the virtual circle (35), and when the drilling platform (9) only rotates along the geometric center (50) of the drilling platform and does not deflect around the axis of the central shaft (19), any one drill bit passing through the hole (29) can be displaced along the path of the tracking circle (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011336422.8A CN112388729A (en) | 2020-11-25 | 2020-11-25 | Drilling equipment and working method of pcb preparation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011336422.8A CN112388729A (en) | 2020-11-25 | 2020-11-25 | Drilling equipment and working method of pcb preparation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112388729A true CN112388729A (en) | 2021-02-23 |
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| CN202011336422.8A Pending CN112388729A (en) | 2020-11-25 | 2020-11-25 | Drilling equipment and working method of pcb preparation system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113290278A (en) * | 2021-04-09 | 2021-08-24 | 宋志龙 | Cutting production system and cutting process of semicircular PCB |
| CN114559068A (en) * | 2022-03-21 | 2022-05-31 | 江南大学 | Three-dimensional adjustable accurate drilling device and method for installing elevator guide rail |
| CN115623771A (en) * | 2022-12-16 | 2023-01-17 | 深圳市易通自动化设备有限公司 | Chip mounter and aircraft nose thereof |
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| JPH0224097A (en) * | 1988-07-14 | 1990-01-26 | Sakura Seiki Kk | Drilling device |
| CN207788349U (en) * | 2018-02-06 | 2018-08-31 | 四川鑫驰科技有限公司 | One kind can process porous bench drill |
| CN108747467A (en) * | 2018-06-12 | 2018-11-06 | 安徽方程式工业设计服务有限公司 | A kind of processing unit (plant) that the arc panel of arbitrary radian can be positioned |
| CN110576476A (en) * | 2019-09-27 | 2019-12-17 | 宋志龙 | Double-layer overlapped PCB (printed circuit board) hole forming process equipment and process method thereof |
| CN211491938U (en) * | 2019-12-02 | 2020-09-15 | 三锦配色大数据(杭州)有限公司 | Drilling equipment is used in bamboo wood processing |
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2020
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0224097A (en) * | 1988-07-14 | 1990-01-26 | Sakura Seiki Kk | Drilling device |
| CN207788349U (en) * | 2018-02-06 | 2018-08-31 | 四川鑫驰科技有限公司 | One kind can process porous bench drill |
| CN108747467A (en) * | 2018-06-12 | 2018-11-06 | 安徽方程式工业设计服务有限公司 | A kind of processing unit (plant) that the arc panel of arbitrary radian can be positioned |
| CN110576476A (en) * | 2019-09-27 | 2019-12-17 | 宋志龙 | Double-layer overlapped PCB (printed circuit board) hole forming process equipment and process method thereof |
| CN211491938U (en) * | 2019-12-02 | 2020-09-15 | 三锦配色大数据(杭州)有限公司 | Drilling equipment is used in bamboo wood processing |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113290278A (en) * | 2021-04-09 | 2021-08-24 | 宋志龙 | Cutting production system and cutting process of semicircular PCB |
| CN114559068A (en) * | 2022-03-21 | 2022-05-31 | 江南大学 | Three-dimensional adjustable accurate drilling device and method for installing elevator guide rail |
| CN115623771A (en) * | 2022-12-16 | 2023-01-17 | 深圳市易通自动化设备有限公司 | Chip mounter and aircraft nose thereof |
| CN115623771B (en) * | 2022-12-16 | 2023-03-21 | 深圳市易通自动化设备有限公司 | Chip mounter and aircraft nose thereof |
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